ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,432,007, issued on Sept. 30, was assigned to Xerox Corp. (Norwalk, Conn.).

"System and method for symbol decoding in high frequency (hf) communication channels" was invented by Ion Matei (Mountain View, Calif.) and Johan de Kleer (Los Altos, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "One embodiment provides a method and a system for reconstructing symbols transmitted over a high frequency (HF) communication channel. During operation, the system can receive, at a receiver, a radio frequency (RF) signal carrying an input data frame and transmitted over the HF communication channel. The input data frame includes a number of known symbols follow...